CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	9 Months Ended
Jan. 31, 2015	Jan. 31, 2014
OPERATING ACTIVITIES :
Net loss attributable to WPCS	$ (7,535,022)	$ (10,063,844)
Consolidated net (loss) income from discontinued operations	(1,362,084)	148,851
Adjustments to reconcile consolidated net loss to net cash used in operating activities:
Depreciation and amortization	517,480	577,446
Inducement expense	5,492,842us-gaap_OtherLaborRelatedExpenses	0us-gaap_OtherLaborRelatedExpenses
Amortization of notes discount	853,417	4,278,687
Loss on extinguishment of Notes	0us-gaap_ExtinguishmentOfDebtAmount	1,299,304us-gaap_ExtinguishmentOfDebtAmount
Make-whole amount	1,889,716wpcs_IncreaseDecreaseMakeWholeAmount	0wpcs_IncreaseDecreaseMakeWholeAmount
Stock-based compensation	115,200us-gaap_ShareBasedCompensation	23,651us-gaap_ShareBasedCompensation
Income on section 16 settlement	(1,401,516)wpcs_GainsLossesOnSettlementOfDebt	0wpcs_GainsLossesOnSettlementOfDebt
Cash received on section 16 settlement	650,000wpcs_CashReceivedOnSettlement	0wpcs_CashReceivedOnSettlement
Change in the fair value of derivative liabilities	0	833,750
Provision for doubtful accounts	0us-gaap_ProvisionForDoubtfulAccounts	33,223us-gaap_ProvisionForDoubtfulAccounts
Amortization of debt issuance costs	0us-gaap_AmortizationOfFinancingCosts	277,970us-gaap_AmortizationOfFinancingCosts
Gain on sale of fixed assets	0us-gaap_GainLossOnDispositionOfAssets	8,601us-gaap_GainLossOnDispositionOfAssets
Changes in operating assets and liabilities:
Restricted cash	0	1,869,178
Accounts receivable	(4,008,257)	(2,661,869)
Costs and estimated earnings in excess of billings on uncompleted contracts	(247,240)	(82,735)
Deferred contract costs	944,824	(457,041)
Current assets held for sale	492,679	497,401
Prepaid expenses and other current assets	(154,055)	(254,681)
Other assets	15,591	34,284
Other assets held for sale	3,580,379	218,200
Income taxes payable	(8,323)	(130,326)
Accounts payable and accrued expenses	2,127,417	(994,750)
Current liabilities held for sale	(3,029,345)	1,984,037
Accrued severance expense	(550,205)	1,300,000
Billings in excess of costs and estimated earnings on uncompleted contracts	447,386	(185,706)
Deferred revenue	0	179,772
NET CASH USED IN OPERATING ACTIVITIES	(1,612,780)	(1,162,151)
INVESTING ACTIVITIES:
Cash received on sale of Seattle	1,561,000	0
Sale (purchase) of property and equipment	100,521	(54,400)
Addition on acquisition of BTX capitalized software	(2,279)us-gaap_PaymentsToAcquireSoftware	0us-gaap_PaymentsToAcquireSoftware
Cash issued in the sale of BTX	(59,097)us-gaap_CashDivestedFromDeconsolidation	0us-gaap_CashDivestedFromDeconsolidation
Cash received from acquisition of BTX software	0us-gaap_CashAcquiredFromAcquisition	1,185,000us-gaap_CashAcquiredFromAcquisition
NET CASH PROVIDED BY INVESTING ACTIVITIES	1,600,145	1,130,600
FINANCING ACTIVITIES:
Repayments under loans payable, net	(8,627)	(35,753)
Repayment to senior secured convertible notes	0us-gaap_RepaymentsOfSecuredDebt	(9,507)us-gaap_RepaymentsOfSecuredDebt
Repayments under other payable	0us-gaap_RepaymentsOfOtherShortTermDebt	(210,229)us-gaap_RepaymentsOfOtherShortTermDebt
Borrowings under short-term bank loan	0us-gaap_ProceedsFromBankDebt	818,550us-gaap_ProceedsFromBankDebt
Borrowings from related party	0	790,256
Debt issuance costs	0us-gaap_PaymentsOfDebtIssuanceCosts	(102,182)us-gaap_PaymentsOfDebtIssuanceCosts
Dividend paid on preferred stock	(146,521)	0
NET CASH (USED IN) PROVIDED BY FINANCING ACTIVITIES	(155,148)	1,251,135
Effect of exchange rate changes on cash	(132,889)	(65,886)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(300,672)	1,153,698
CASH AND CASH EQUIVALENTS, BEGINNING OF THE PERIOD	2,177,070	917,752
CASH AND CASH EQUIVALENTS, END OF THE PERIOD	1,876,398	2,071,450
SCHEDULE OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Settlement of severance obligation and sale of Pride	970,000	0
Conversion of Series E preferred stock to promissory notes	2,438,000	0
Declaration on preferred dividend payable	700,088us-gaap_DividendsPreferredStockStock	0us-gaap_DividendsPreferredStockStock
Debt Conversion Converted Instrument	0	3,114,816
Section 16 settlement gain for cancellation of short term promissory notes	735,000	0
Section 16 settlement gain for cancellation of make-whole interest expense	17,000	0
Sale of BTX	79,000	0
Acquisition of BTX Software from issuance of Series E Preferred Stock	0	2,635,147
Reclassification of fair value of derivative liability on Notes and Warrants to additional paid-in capital upon the Amendment and Note Amendment	0	7,166,991
Reclassification of fair value of derivative liability on Notes to additional paid-in capital upon conversion of Notes	0	686,856
Series F-1 preferred stock Series G-1 preferred stock [Member]
SCHEDULE OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Debt Conversion Converted Instrument	4,918,360	0
Series F preferred stock Series G preferred stock [Member]
SCHEDULE OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Debt Conversion Converted Instrument	2,321,640	0
Series F-1 Preferred Stock [Member]
SCHEDULE OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Conversion of Stock, Amount Converted	181,066	0
Pride [Member]
Adjustments to reconcile consolidated net loss to net cash used in operating activities:
Gain on sale of operations	(798,896)	104,446
Seattle Inc [Member]
Adjustments to reconcile consolidated net loss to net cash used in operating activities:
Gain on sale of operations	374,932	0
BTX Trade [Member]
Adjustments to reconcile consolidated net loss to net cash used in operating activities:
Gain on sale of operations	$ (19,700)	$ 0

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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of payroll tax expense, compensation, postemployment and benefit-related expenses not elsewhere specified in the taxonomy (such as health plan, profit sharing, incentives, tuition reimbursement, other fringe benefits and perquisites) incurred in the period.

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The cash inflow from bank borrowing during the year.

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Amount of cash inflow (outflow) from (to) a noncontrolling interest. Excludes dividends paid to the noncontrolling interest.

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Amount of cash inflow (outflow) from long-term debt supported by a written promise to pay an obligation.

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

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The cash outflow attributable to repayments of borrowings not otherwise defined in the taxonomy (having initial terms of repayment within one year or the normal operating cycle, if longer).

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The cash inflow for the settlement of debt.

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Reclassification of fair value of derivative liability on notes and warrants upon note amendment in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Reclassification of fair value of derivative liability on notes and warrants upon conversion of notes in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The increase (decrease) in current assets held for sale during the reporting period.

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The increase (decrease) in current liabilities held for sale during the reporting period.

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The increase (decrease) during the reporting period in the value of expenditures made on contract during the period.

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The increase (decrease) of make whole amount during the reporting period.

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Amount of noncash settlement gain for cancellation of make-whole interest expense

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Amount of noncash settlement gain for cancellation of short term promissory notes.

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Settlement of severance obligation by sale of business during the period.

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